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    • 7. 发明申请
    • Apparatus and method for granting access to a hardware interface shared between multiple software entities
    • 允许访问在多个软件实体之间共享的硬件接口的装​​置和方法
    • US20060259674A1
    • 2006-11-16
    • US11128934
    • 2005-05-12
    • Robert DunstanSteven GrobmanDavid Poisner
    • Robert DunstanSteven GrobmanDavid Poisner
    • G06F13/14
    • G06F9/52G06F21/85
    • A method and apparatus for granting access to a hardware interface shared between multiple software drivers are described. In one embodiment, the apparatus includes an interface to provide access to a hardware function or a resource. As described herein, the hardware function or resource is shared between at least two software entities, such as, for example, device drivers. In one embodiment, access verification logic denies an access request for the hardware function, unless the key associated with the access request matches a stored key semaphore. In one embodiment, a key size may be relatively large to provide a very low probability that a malicious software entity could accidentally or maliciously gain access to the software. Other embodiments are described and claimed.
    • 描述了用于准许对多个软件驱动器之间共享的硬件接口的访问的方法和装置。 在一个实施例中,该装置包括提供对硬件功能或资源的访问的接口。 如本文所述,硬件功能或资源在至少两个软件实体(例如,设备驱动程序)之间共享。 在一个实施例中,访问验证逻辑拒绝对硬件功能的访问请求,除非与访问请求相关联的密钥与存储的密钥信号量相匹配。 在一个实施例中,密钥大小可能相对较大,以提供恶意软件实体可能意外地或恶意地访问软件的非常低的概率。 描述和要求保护其他实施例。